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Re: [RFC][PATCH] time: Add warning about imminent deprecation of CONFIG_GENERIC_TIME_VSYSCALL_OLD

From Benjamin Herrenschmidt <benh@kernel.crashing.org>
Newsgroups linux.kernel
Subject Re: [RFC][PATCH] time: Add warning about imminent deprecation of CONFIG_GENERIC_TIME_VSYSCALL_OLD
Date 2017-05-22 23:30 +0200
Message-ID <tK33Q-2tD-19@gated-at.bofh.it> (permalink)
References <tGnu9-7Y-7@gated-at.bofh.it> <tJJRv-6CO-3@gated-at.bofh.it> <tK0Sl-19u-11@gated-at.bofh.it>
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On Mon, 2017-05-22 at 12:06 -0700, John Stultz wrote:
> So, long ago I talked w/ Paul Mackerras about the ppc vdso code, as
> ppc has some other legacy "userspace time" code that has to be
> maintained as well (I believe there's not code page, just data page
> that userspace pulls directly from).

Hrm... the ppc VDSO has a code page, userspace just calls
__kernel_clock_*

I don't know if anything still uses the direct mapped values, we should
enquire internally.

Cheers,
Ben.

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[RFC][PATCH] time: Add warning about imminent deprecation of CONFIG_GENERIC_TIME_VSYSCALL_OLD John Stultz <john.stultz@linaro.org> - 2017-05-12 20:30 +0200
  Re: [RFC][PATCH] time: Add warning about imminent deprecation of CONFIG_GENERIC_TIME_VSYSCALL_OLD Michael Ellerman <mpe@ellerman.id.au> - 2017-05-22 03:00 +0200
    Re: [RFC][PATCH] time: Add warning about imminent deprecation of CONFIG_GENERIC_TIME_VSYSCALL_OLD John Stultz <john.stultz@linaro.org> - 2017-05-22 21:10 +0200
      Re: [RFC][PATCH] time: Add warning about imminent deprecation of  CONFIG_GENERIC_TIME_VSYSCALL_OLD Benjamin Herrenschmidt <benh@kernel.crashing.org> - 2017-05-22 23:30 +0200
      Re: [RFC][PATCH] time: Add warning about imminent deprecation of CONFIG_GENERIC_TIME_VSYSCALL_OLD Michael Ellerman <mpe@ellerman.id.au> - 2017-05-24 15:40 +0200

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